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java.lang.Object
- javax.swing.AbstractAction
- - javax.swing.plaf.basic.BasicTreeUI.TreeIncrementAction

All Implemented Interfaces:

ActionListener, Serializable, Cloneable, EventListener, Action

Enclosing class:

BasicTreeUI
```
public class BasicTreeUI.TreeIncrementAction
extends AbstractAction
```
TreeIncrementAction is used to handle up/down actions. Selection is moved up or down based on direction.

- Field Summary
  
  Fields
  Modifier and Type Field and Description
  
  protected int direction
  Specifies the direction to adjust the selection by.
  
  BasicTreeUI.TreeIncrementAction (Java Platform SE 7 ) Home of API Java Contents Haut
  - Fields inherited from class javax.swing.AbstractAction
    changeSupport, enabled
  - Fields inherited from interface javax.swing.Action
    ACCELERATOR_KEY, ACTION_COMMAND_KEY, DEFAULT, DISPLAYED_MNEMONIC_INDEX_KEY, LARGE_ICON_KEY, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SELECTED_KEY, SHORT_DESCRIPTION, SMALL_ICON
- Constructor Summary
  
  Constructors
  Constructor and Description
  
  BasicTreeUI.TreeIncrementAction(int direction, String name)
  
  BasicTreeUI.TreeIncrementAction (Java Platform SE 7 ) Home of API Java Contents Haut
- Method Summary
  
  Methods
  Modifier and Type Method and Description
  
  void actionPerformed(ActionEvent e)
  Invoked when an action occurs.
  
  boolean isEnabled()
  Returns true if the action is enabled.
  
  BasicTreeUI.TreeIncrementAction (Java Platform SE 7 ) Home of API Java Contents Haut
  - Methods inherited from class javax.swing.AbstractAction
    addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, putValue, removePropertyChangeListener, setEnabled
  - Methods inherited from class java.lang.Object
    equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - direction
```
protected int direction
```
    Specifies the direction to adjust the selection by.
- Constructor Detail
  - BasicTreeUI.TreeIncrementAction
```
public BasicTreeUI.TreeIncrementAction(int direction,
                               String name)
```
- Method Detail
  - actionPerformed
```
public void actionPerformed(ActionEvent e)
```
    Description copied from interface: ActionListener
    
    Invoked when an action occurs.
  - isEnabled
```
public boolean isEnabled()
```
    Description copied from class: AbstractAction
    
    Returns true if the action is enabled.
    
    Specified by:
    
    isEnabled in interface Action
    
    Overrides:
    
    isEnabled in class AbstractAction
    
    Returns:
    true if the action is enabled, false otherwise
    See Also:
    Action.isEnabled()

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Modifier and Type	Method and Description
`void`	`actionPerformed(ActionEvent e)` Invoked when an action occurs.
`boolean`	`isEnabled()` Returns true if the action is enabled.

Class BasicTreeUI. TreeIncrementAction

Field Summary

Fields inherited from class javax.swing.AbstractAction

Fields inherited from interface javax.swing.Action

Constructor Summary

Method Summary

Methods inherited from class javax.swing.AbstractAction

Methods inherited from class java.lang.Object

Field Detail

direction

Constructor Detail

BasicTreeUI.TreeIncrementAction

Method Detail

actionPerformed

isEnabled

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Type of error (18-01)

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